[1]孙国强,卫志农,叶芳,等.基于联络线功率限制的多平衡机状态估计算法[J].东南大学学报(自然科学版),2010,40(5):957-962.[doi:10.3969/j.issn.1001-0505.2010.05.015]
 Sun Guoqiang,Wei Zhinong,Ye Fang,et al.State estimation algorithm for multi-balancing machines based on power limits in interconnecting lines[J].Journal of Southeast University (Natural Science Edition),2010,40(5):957-962.[doi:10.3969/j.issn.1001-0505.2010.05.015]
点击复制

基于联络线功率限制的多平衡机状态估计算法()
分享到:

《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
40
期数:
2010年第5期
页码:
957-962
栏目:
电气工程
出版日期:
2010-09-20

文章信息/Info

Title:
State estimation algorithm for multi-balancing machines based on power limits in interconnecting lines
作者:
孙国强1 卫志农1 叶芳1 黄伟2
1 河海大学能源与电气学院,南京 210098; 2 云南电力调度中心,昆明 650011
Author(s):
Sun Guoqiang1 Wei Zhinong1 Ye Fang1 Huang Wei2
1 College of Energy and Electrical Engineering, Hohai University, Nanjing 210098, China
2 Yunnan Electric Power Dispatching Center, Kunming 650011, China
关键词:
状态估计 多平衡机 等式约束 功率限制 分布式处理
Keywords:
state estimation multi-balancing machine equality constraint power limit distributed processing
分类号:
TM743
DOI:
10.3969/j.issn.1001-0505.2010.05.015
摘要:
为了满足互联电网多平衡机设置和联络线功率限制的要求,通过推导多平衡机设置下的量测函数及其雅克比矩阵,提出了2种计及联络线功率约束的多平衡机电力系统状态估计算法:整体式算法和分布式算法.其中,整体式算法将联络线功率作为等式约束条件,采用拉格郎日乘子法推导得出求解模型,统一迭代求解各区域的状态变量; 分布式算法在搭接式分区方法的基础上,对各区域分开处理,将分区后的边界等式约束条件分别计入各自的目标函数中,再通过拉格朗日乘子法实现区域间的分布式计算.分别对IEEE-14,IEEE-30,IEEE-57节点算例进行仿真计算.仿真结果验证了模型的正确性和有效性,表明分布式算法的计算速度和精度均优于整体式算法.
Abstract:
To meet the requirements of multi-balancing machines’ settings and power limitations in interconnecting lines, the measurement functions and the corresponding Jacobian matrix are deduced. And two state estimation algorithms, the entire algorithm and the distributed algorithm, for multi-balancing machines incorporating power limits in interconnecting lines are proposed. In the entire algorithm, the transmission power limits are considered as equality constraints. The calculation model is derived by the Lagrange multiplier method and the state variables in each region are calculated by iterations. In the distributed algorithm, each region is treated separately based on the overlapped distributed method, and the boundary equality constrains are included into the corresponding objective functions. Then,the distributed state estimation is implemented by the Lagrange multiplier method. Numerical examples of IEEE-14, IEEE-30 and IEEE-57 bus test systems are given. The simulation results show that the proposed models are correct and effective. In addition, the calculation speed and precision of the distributed algorithm are higher than those of the entire algorithm.

参考文献/References:

[1] 杭乃善,姚元玺,苏津.基于联络线功率限制的多平衡节点潮流算法研究[J].广西电力,2005,28(3):34-36.
  Hang Naishan,Yao Yuanxi,Su Jin.The calculation of power flow at multi-balancing joints based on the power limit in interconnecting lines[J].Guangxi Electric Power,2005,28(3):34-36.(in Chinese)
[2] 姚元玺,杭乃善.基于联络线功率等值约束条件的潮流算法研究[J].继电器,2006,34(1):31-33.
  Yao Yuanxi,Hang Naishan.Power flow studies of multi-swing bus based on tie-line power equivalence constraints[J].Relay,2006,34(1):31-33.(in Chinese)
[3] 崔丽华,陈根军.多平衡机潮流计算在调度员潮流中的应用[J].广东电力,2006,19(9):13-17.
  Cui Lihua,Chen Genjun.Application of multi-slack load flow calculation in dispatcher power flow[J].Guangdong Electric Power,2006,19(9):13-17.(in Chinese)
[4] 杭乃善,姚元玺,窦婷婷,等.基于直角坐标注入电流形式的多平衡节点潮流算法研究[J].继电器,2005,33(4):9-16.
  Hang Naishan,Yao Yuanxi,Dou Tingting,et al.An algorithm of multi-balance bus based on rectangular coordinate current influx[J].Relay,2005,33(4):9-16.(in Chinese)
[5] 于尔铿.电力系统状态估计[M].北京:水利电力出版社,1985:1-12.
[6] Murphy L,Wu F F.An open design approach for distributed energy management system[J].IEEE Transactions on Power System,1993,8(3):1172-1179.
[7] van Cutsem T H,Horward J L,Ribbens-Pavella M.A two-level static state estimator for electric power systems[J].IEEE Transactions on Power Apparatus and Systems,1981,100(8):3722-3732.
[8] Kurzyn M S.Real-time state estimation for large-scale power systems[J].IEEE Transactions on Power Apparatus and Systems,1983,102(7):2055-2063.
[9] 韩富春,任先成.电力系统状态估计的分布式并行处理[J].太原理工大学学报,2003,34(6):664-667.
  Han Fuchun,Ren Xiancheng.PVM power system state estimation based on distributed and parallel processing[J].Journal of Taiyuan University of Technology,2003,34(6):664-667.(in Chinese)
[10] 张丽,韩富春.带有等式约束的状态估计快速算法[J].太原理工大学学报,2003,34(5):547-549.
  Zhang Li,Han Fuchun.A fast state estimation method with equality constraints[J].Journal of Taiyuan University of Technology,2003,34(5):547-549.(in Chinese)
[11] 李阳林,卫志农,万军彪.一种新的分布式电力系统状态估计算法[J].继电器,2007,35(20):13-16,22.
  Li Yanglin,Wei Zhinong,Wan Junbiao.A new algorithm for the distributed state estimation of power systems[J].Relay,2007,35(20):13-16,22.(in Chinese)
[12] 刘辉乐,刘天琪,彭锦新.基于PMU的分布式电力系统动态状态估计新算法[J].电力系统自动化,2005,29(4):34-39.
  Liu Huile,Liu Tianqi,Peng Jinxin.New distributed power system dynamic state estimation algorithm based on PMU [J].Automation of Electric Power Systems,2005,29(4):34-39.(in Chinese)
[13] 任先成,韩富春.分布式电力系统状态估计[J].电力系统及其自动化学报,2003,15(5):11-13.
  Ren Xiancheng,Han Fuchun.Distributed power system state estimation[J].Proceedings of the CSU-EPSA,2003,15(5):11-13.(in Chinese)
[14] Schweppe F C,Wildes J,Rom D B.Power system static state estimation parts Ⅰ,Ⅱ,and Ⅲ[J].IEEE Transactions on Power Apparatus and Systems,1970,89(1):120-135.
[15] 丁军策,蔡泽祥,王克英.基于广域测量系统的混合量测状态估计算法[J].中国电机工程学报,2006,26(2):58-62.
  Ding Junce,Cai Zexiang,Wang Keying.Mixed measurements state estimation based on WAMS[J].Proceedings of the CSEE,2006,26(2):58-62.(in Chinese)
[16] 鞠平,谢欢,孟远景,等.基于广域测量信息的在线辨识低频振荡[J].中国电机工程学报,2005,25(22):56-60.
  Ju Ping,Xie Huan,Meng Yuanjing,et al.On line identification of low-frequency oscillation based on wide-area measurements[J].Proceedings of the CSEE,2005,25(22):56-60.(in Chinese)

备注/Memo

备注/Memo:
作者简介: 孙国强(1978—),男,博士,讲师,hhusunguoqiang@163.com.
基金项目: 国家自然科学基金资助项目(50877024)、河海大学自然科学基金资助项目(2009421411).
引文格式: 孙国强,卫志农,叶芳,等.基于联络线功率限制的多平衡机状态估计算法[J].东南大学学报:自然科学版,2010,40(5):957-962. [doi:10.3969/j.issn.1001-0505.2010.05.015]
更新日期/Last Update: 2010-09-20